Why did Google launch the AMP program?
Why does Google launch the AMP plan?
Google recently announced a web page acceleration project called AMP to improve the loading speed of mobile web pages. AMP is an open source project. This technology can limit HTML, CSS, JavaScript that may Code that affects web page loading speed. Google said that this technology can help Nexus 5 mobile phones increase web page loading speed by 15% to 85% ( Google AMP and Baidu MIP have an impact on SEO. Impact)
The technical core of this project is AMP HTML, which can minimize HTTP requests and load the content of the entire web page at the same time, but this technology will limit CSS, like animations and scroll bars. Such content may be affected, and content using JavaScript code will not be supported.
#Specific problems with the original mobile phone site. What is it?
Before discussing the solution, it’s worth spending a little time exploring the problem. If you do a lot of reading on mobile devices, you probably already know that on mobile phones. Or how poor web-based interactions are on computers. Pages often load slowly, render erratically and interact in strange ways. This is mainly due to the following two reasons:thirdpartyinterference
The insertion of advertisements and some tracking and analysis technologies increases the size of the page and increases the number of requests, even if the user is holding a computer with limited bandwidth and CPU processing Device. Moreover, the page often behaves as if it is just for advertising, inserting multiple document.write() call functions. The New York Times recently conducted a test that showed that the page size increased after installing content blocking software on iOS phones. Huge reduction in battery life and increase in battery life. But this also causes them to consume a lot of desktop display resources when displayed on mobile phones. When Paul Irish investigated Reddit's performance, he found that a large part of the overhead can be traced to the use of svg rendering for Reddit's mascot. , so that it can display animation effects when the mouse is hovered (based on a third-party library, which means high overhead) - this is not often the case where resources can be found on mobile devices According to Facebook. According to the survey (PDF, 3.4 MB), the average load time for an article on mobile devices is 8 seconds. This is the world of Facebook Instant Articles, Apple News, and AMP. Taking eight seconds to load is obviously an exaggeration. , which is enough for you to browse a second Vine video. Objectively speaking, by today's standards, it seems to take forever to load.How AMP is Different
Some background on how AMP and Facebook Instant Articles differ from Apple News will point out what Google is doing for its new digital publishing initiative Decide.Facebook Instant Articles and Apple News have the following in common:
In-app experience
Readers pass Facebook software on your phone to access Facebook Instant Articles, while Apple News uses a completely separate app in iOS 9. Neither platform allows users to read their articles outside of the app. You can think of them as a specially designed RSS update application.
Syndication Drive
However Facebook and Apple adopt different syndication formats (Apple News format is based on JOSN, while Instant Articles markup is more or less tagged with HTML in an RSS feed), they are all based on the same principle: trick the content management system into generating the necessary syndication formats, and then Facebook and Apple will work non-stop to extract, parse, and make them beautiful. , followed by quick custom rendering.experience-oriented
While Facebook Instant Articles and Apple News both focus on performance, they also focus on making articles look more modern. Both platforms have components that allow us to create sleek and fluid interfaces, which generally results in a customizable, hand-crafted reading experience.In contrast, AMP has another focus:
Web page-based experience
AMP files are designed The result can be rendered on browsers and WebViews.
Atomized Files
Although AMP files need to be validated, parsed, and partially rendered during the AMP runtime, they are cached on your server or CDN completely independent files, rather than some source data sets that may be converted into articles at some point and rendered on the APP.Performance-oriented
Compared with interaction mode or aesthetic elements, AMP pays more attention to performance. That’s not to say that AMP files are all tinny (when they use the right styling, they can be as engaging as Facebook Instant Articles or Apple News), but rather than offering fancy visuals like crazy little things, They are more concerned about how to render articles faster.
Google now uses AMP HTML for its search products. Although there are still some limitations to the technology, Google said that 30 publishers and technology companies have participated in the project, including the BBC, The New York Times, and Buzzfeed.
Although these initial technical parameters may be changed, AMP’s technical specifications have been published on Github for websites to try.
Google is currently working hard to improve its mobile reading experience. Although this technology still has some shortcomings, mobile terminals account for 37% of traffic, which will attract more and more websites to join the AMP program. Currently Baidu, Sogou, and Yahoo have officially supported AMP!
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